Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, Venezuela.
Introduced to USA (B).
Eastern Panama and Colombia southern and east through Ecuador, eastern Peru and northern Bolivia to central and north-eastern Brazil, Venezuela and the Guianas.
 
Population
Estimated population is unknown (2010).
Chestnut-fronted Macaw (Ara severus) [XC705995]
by Thiago Bicudo from RN Chuchini, Beni Department, Bolivia (call)
Chestnut-fronted Macaw (Ara severus) [XC260388]
by Paul Coopmans from Sucumb\u00edos: 'La Selva Jungle Lodge', n bank R\u00edo Napo, Ecuador (call, calls)
Subspecies
Usually treated as comprising two subspecies, with western populations (castaneifrons) being marginally larger, but differences likely to be clinal.